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Husqvarna SG11, Operator'S Manual

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Husqvarna SG11 Operator'S Manual Download Page 33

English – 31

Adjusting the drive belt

1.

Remove the belt guard by removing the three
screws on the front of the belt guard.

MAINTENANCE

3.

Undo the four screws (A) on the cutting shroud.

4.

Remove the locking nuts (B) on the tension
bolts.

5.

Turn the tension bolts (C) clockwise to tighten
the belt or counterclockwise to loosen it.

2.

Check that the belt is properly tensioned by
squeezing the belt together. It should be
possible to squeeze the belt down about
6 - 20 mm from the original position.

6.

Check that the pulleys are aligned using a ruler
or similar.
Adjust using the tension bolts as necessary.
Check belt tension again.

7.

Tighten all screws and nuts when the
adjustment is complete.

8.

Refit the belt guard.

WARNING!

Prevent the engine from being
started by removing the ignition
cable from the spark plug.

8011-226

8011-227

8011-228

8011-229

Summary of Contents for SG11

Page 1: ...Operator s manual SG11 SG13 Please read these instructions carefully and make sure you understand them before using the machine English ...

Page 2: ......

Page 3: ... 19 Running 19 Normal shutdown 21 Shutdown in emergency situations 21 Before you start 22 Using your stump grinder 23 Operating on hills 25 Transport 25 Maintenance 26 Maintenance schedule 26 Cleaning the cyclone filter 27 Replacing the air filter 28 Cleaning the sludge reservoir 29 Idle adjustment 29 Ignition system 30 Adjusting the drive belt 31 Disassembling and reassembling the blade pockets a...

Page 4: ... retail trade with complete service This ensures that you as a customer receive only the best support and service Before the machine was delivered it underwent inspection and was adjusted by your dealer When you need spare parts or support in service questions guarantee issues etc please consult the following professional Serial number The serial number can be found on the printed plate attached t...

Page 5: ...DANGER Risk for injury from cutter blade 7 Model designation SG11 8 Model designation SG13 9 Engine switch on the handle 10 Throttle 11 Frame for handle adjustment 12 European standard for machine safety Decals that are missing or illegible shall be aquired replaced before using the machine IMPORTANT INFORMATION Xxxx xxx xxxx xx xxxx x xxxx Used in this publication to notify the reader of a risk o...

Page 6: ... movement comes to a standstill before service adjustment or cleaning Do not run the engine in poorly ventilated spaces Make sure nobody is in the vicinity of the machine before starting and during use Avoid slopes that are too steep to use the machine safely Clear any debris prior to use Decal 4 Warning Engine exhaust some of its constituents and certain vehicle components contain or emit chemica...

Page 7: ... machine Please contact your dealer for more information These safety instructions only address the basics for safe use It would be impossible in the safety instructions to describe all possible risk situations that could arise when using the machine You can however prevent accidents by always using common sense To obtain extra copies of the operator s manual please contact your dealer Read this m...

Page 8: ...vice it Local laws may regulate the age of the user People and animals can distract you causing you to lose control of the machine For this reason you should always concentrate and focus on the task at hand Never leave the machine unsupervised with the engine running Make sure that other people are nearby when you are using the machine so that you can call for help should an emergency arise The ma...

Page 9: ...can fasten in moving machine parts Check that all safety decals are in place See the chapter Location of decals Use mouth protection protective gloves with good grip and protective clothing in which you can move unrestricted Also use leg protection to protect your legs from sparks and the cutting tools Never use the machine when barefoot Always wear protective shoes or protective boots with anti s...

Page 10: ...dling can result in personal injury or fire Never use a machine with a defective muffler In very warm and dry climates stump grinder operation poses a risk of forest fires Stop and inspect the equipment if you run over or into anything If necessary make repairs before beginning again Whatever happens you should always park the machine on even ground disengage the drive activate the parking brake t...

Page 11: ... the machine with the fuel valve closed Store the machine and fuel in such a way that there is no risk that leaking fuel or fumes can come in contact with flames or sparks from electrical machines electric engines relays switches boilers or similar Store the machine in a locked space away from children and adults untrained in use of the machine Children Serious accidents may occur if you fail to b...

Page 12: ... system the engine must not be started until the problem has been resolved WARNING Gasoline and gasoline fumes are poisonous and extremely flammable Be especially careful when handling gasoline as carelessness can result in personal injury or fire Check the fuel level before each use and leave space for the fuel to expand because the heat from the engine and the sun may otherwise cause the fuel to...

Page 13: ...atters Follow all maintenance instructions Do not change the setting of governors and avoid running the engine with overly high RPMs If you run the engine too fast you risk damaging the machine components Do not modify safety equipment Check regularly to be sure it works properly The machine must not be run with defective or disassembled safety equipment The muffler is designed to maintain sound l...

Page 14: ...r saws The main difference is that you should wear protective glasses when operating the stump grinder while the wire mesh visor gives sufficient protection when using a power saw Thus when using the stump grinder we recommend using both a wire mesh visor to protect your face and protective glasses Alternatively you can use a Plexiglas face guard but it scratches more easily and is more susceptibl...

Page 15: ...ngine 8 Rear lifting handle 9 Adjustment bar for the handle 10 Throttle 11 Engine switch Presentation Congratulations on your choice of an exceptionally high quality product This operator s manual describes the Husqvarna stump grinder The machines are available in two basic designs SG11 and SG13 The machines are equipped with an 11 or 13 hp Honda four cycle engine 8011 251 8011 272 ...

Page 16: ... engine 12 Oil drainage engine 13 Oil level guard 14 Engine switch 15 Fuel tank 16 Fuel filler cap Throttle The lever on the engine is normally not used It is connected to the throttle on the handle If the cable should bind or break you can reduce the throttle with the lever on the engine as an emergency measure to slow the engine speed to an idle and stop the cutting wheel 8011 273 8011 126 8011 ...

Page 17: ...e in the carburetor This is only used to start a cold engine The image shows the choke valve open to close turn the lever to the left The midway positions can be used When the engine starts the lever can be turned gradually to the right as long as it continues to run smoothly Forgetting the choke is evident as the engine runs roughly and produces black smoke This also results in increased fuel con...

Page 18: ... dipstick in place The engine has an electronic oil level guard It stops and cannot be started if the level becomes too low Yet you should not rely entirely on the level guard rather you should check the oil using the dipstick For normal use we recommend SAE 10W 30 weight engine oil service SF SG see also the chapter Lubrication Engine oil Oil drainage The drainage screw 5 for the crankcase oil re...

Page 19: ...f the engine bolts at normal load it can be damaged Change the fuel If this does not help contact an authorized service workshop Do not fill the tank completely leave space for the fuel to expand as it warms up WARNING Gasoline is highly flammable Observe caution and fill the tank outdoors See the safety instructions Centrifugal clutch The engine is equipped with a centrifugal clutch that is conne...

Page 20: ... when operating the grinder when it is parked and when it is being transported As the tree stump is ground away the handle position will need to be adjusted Pull the bar backwards and set the handle at a suitable working height Make sure the bolts lock after you make adjustments Throttle The lever controls engine speed With the lever down the engine runs at idle and functions as start position Whe...

Page 21: ...ld be in the right position see the illustration When starting the engine cold or partially warm turn the lever completely or partly to the left Move the lever back to the right once the engine starts When the engine is cold it may be best to move the lever back in several stages Find the position where the engine runs smoothly Throttle Set the throttle on the handle to the START DISENGAGE positio...

Page 22: ...ne Misuse of the starter handle can damage the starter Do not twist the starter cord around your hand Pull out the handle slowly until the gears mesh Then give a sharp pull on the starter handle Do not pull out the starter cord completely and do not let go of the starter handle when extended Throttle Keep the throttle at idle When the throttle is increased the cutting wheel will begin rotating 801...

Page 23: ...e switch Wait at least 20 seconds until the blade has stopped Set the toggle switch to OFF Make sure that the blade is resting against the ground and has stopped completely before doing anything Shutdown in emergency situations Release the dead man s grip Wait until the blade stops Make sure that the blade is resting against the ground and has stopped completely before doing anything Brake Activat...

Page 24: ...at all guards are in place and in good condition Make sure that the blades and cutters are in place and in good condition Use a helmet hard hat ear and eye protection A mesh visor alone does not provide sufficient eye protection supplement with protective glasses Make sure that the work area and cutter in particular are free from metallic objects such as wire nails etc that could be thrown out and...

Page 25: ...he blade to touch the ground until it has stopped turning 1 Place the cutting blade near the top front edge of the tree stump 8011 201 2 Set the brake to lock position 8011 190 3 Set the throttle to START DISENGAGE 8011 180 4 Set both engine switches to ON 8011 184 8011 071 ...

Page 26: ...p bar and start the engine 6 Allow the engine to warm up for two minutes at idle before grinding 8011 185 8 Set the throttle to ENGAGE 8011 202 9 Place the middle of the cutting wheel approximately 2 5 cm above and 2 4 cm into the stump 10 Place the cutting wheel in the upper front edge of the stump Swing the cutting wheel from side to side while lowering it about 2 5 cm after each pass until the ...

Page 27: ...T DISENGAGE and wait until the cutting wheel stops rotating 14 Release the brake and pull the machine away from the stump 8011 177 8011 178 Operating on hills Be very careful when operating the stump grinder on hills because the machine can slip or move unexpectedly Never use the machine on grades of 10 or steeper Transport The Husqvarna stump grinder can be transported in a truck trailer van or a...

Page 28: ...6 Change engine oil1 36 Check the air filter 29 Clean the air filter2 28 Replace air filter cartridge 2 29 Clean sludge reservoir for fuel system 30 Check and clean the spark plug 31 Replace the spark plug 31 Check engine switch function 3 19 Check idle speed 30 Check and adjust play in valves 4 Clean fuel tank 4 Check replace fuel lines as necessary 4 5 Check throttle and cable 3 19 Check blade a...

Page 29: ... may remain in the upper portion or follow along with the housing when removed 8011 213 8011 212 Clean the components Use water detergent and a washing up brush Dry carefully Refit the components Place the air channels in the cyclone housing Insert cyclone housing into position and make sure it fits in the upper portion Do not use force rather coax it into place before fitting the screws IMPORTANT...

Page 30: ...il Wind the filter in an absorbent cloth and squeeze out excess oil MAINTENANCE 4 Refit the air filter as follows Mount the paper filter in the air filter housing and tighten the wing nut 5 Refit the pre filter on the paper filter 6 Refit the cyclone filter with the air filter cowling IMPORTANT INFORMATION Do not use compressed air over 2 bar 30 PSI to clean the paper filter Do not wash the paper ...

Page 31: ...with the throttle and move it right back to idle position Check engine speed again WARNING Risk for carbon monoxide poisoning Perform the adjustment outdoors MAINTENANCE 2 Unscrew the sludge reservoir 2 Make sure not to misplace the o ring 1 3 Clean the reservoir and the o ring in e g white spirit and dry carefully 4 Put the o ring in place in its track and replace the sludge reservoir Tighten it ...

Page 32: ... with a steel brush if it is to be reused 4 Measure the electrode gap with a gapping tool The gap should be 0 7 0 8 mm 0 028 0 031 Adjust as necessary by bending the side electrode 5 Reinsert the spark plug turning by hand to avoid damaging the threads IMPORTANT INFORMATION Inadequately tightened spark plugs can cause overheating and damage the engine Tightening the spark plug too much can damage ...

Page 33: ... it 2 Check that the belt is properly tensioned by squeezing the belt together It should be possible to squeeze the belt down about 6 20 mm from the original position 6 Check that the pulleys are aligned using a ruler or similar Adjust using the tension bolts as necessary Check belt tension again 7 Tighten all screws and nuts when the adjustment is complete 8 Refit the belt guard WARNING Prevent t...

Page 34: ...xle To remove the right wheel 2 remove the locking collar 1 and slide the wheel off the axle WARNING The cutters can come loose from the cutting wheel if the screws are not sufficiently tight Comply with the recommended torque settings Hold the teeth 30 31 in place as in the upper diagram when mounting the pockets 32 33 Risk for incorrect assembly Insert the screw 34 in one pocket 32 through the b...

Page 35: ...er use before the dirt sticks Check before rinsing that the fuel tank lid is properly in place to avoid getting water in the tank Use caution when using high pressure spray because warning decals instruction signs and the engine can be damaged Do not exceed 70 bar 1000 PSI water pressure when cleaning Lubricate the machine after cleaning This is particularly important if the machine is to be store...

Page 36: ...dule 8011 276 1 Blade shaft bearings Lubricate using a grease gun until the grease squeezes out 2 nipples 1 2 Use good quality MP grease Grease from well known brand names petrochemical companies etc usually maintains a good quality 8011 230 ...

Page 37: ...priate viscosity according to the diagram API Service SF SG to the upper level mark on the dipstick threads on the oil dipstick 2 The engine takes 1 1 liters 1 16 US qt of oil When checking the oil level the dipstick should not be screwed in 4 Check that the rubber gasket is in position and screw the dipstick back into place Do not tighten it askew or too hard or you may damage the threads 5 Wipe ...

Page 38: ... rubber covers Lubricating the cables Grease both ends of the cables and move the controls to end stop positions when lubricating Refit the rubber covers on the cables after lubrication Cables with sheaths will bind if they are not lubricated regularly Binding in a cable may cause malfunction such as partial braking If a cable binds remove the cable and hang it vertically Lubricate it with thin en...

Page 39: ...ed service checking spark plug or ignition workshop Low compression Serious interior engine Contact an authorized service damage or faulty valves workshop Engine is gutless or runs unevenly Air filter Clogged air filter Clean or replace the air filter Fuel system Machine stored without observ Clean tank sludge reservoir and ing proper procedure from empty carburetor chapter Storage Winter storage ...

Page 40: ...Make does not rotate sure the throttle cable is working properly 2 Belt tension is insufficient Adjust belt tension The cutting wheel continues 1 Check that the throttle is disconnected to rotate 2 Check for damage on the throttle cable 3 Check that the throttle cable is properly mounted on the throttle valve 4 The engine speed is not under 1000 which is required to disengage the centrifugal clutc...

Page 41: ...e carburetor if you have added stabilizer WARNING Never store an engine with fuel in the tank indoors or in poorly ventilated spaces where fuel vapor can come in contact with open flame sparks or a pilot light such as in a boiler hot water tank clothing drier etc Handle the fuel with caution It is very flammable and careless use can cause serious damage to person and property Drain the fuel into a...

Page 42: ...r activated Disk Lever activated Drive Direct Direct Belt Gates HiPower double V belt BP54 Gates HiPower double V belt BP54 Clutch Noram centrifugal clutch Noram centrifugal clutch Cutting wheel Vertical 14 x 3 8 disc Vertical 14 x 3 8 disc Cutters 8 cutters with tungsten carbide tips 8 cutters with tungsten carbide tips including pocket including pocket Cutting depth Approx 30 48 cm Approx 30 48 ...

Page 43: ...ne switch on the engine 2 Transistor ignition unit 3 Spark plug 4 Oil level guard 5 Engine switch on the panel 6 Microswitch dead man s grip Legend for color abbreviations in wiring diagram RD Red SV Black GL Yellow 8011 240 8011 277 ...

Page 44: ...on schedule 10 Fill the fuel tank and start the engine 11 Check that the machine and working equipment do not move in neutral 12 Check all operating instruments 13 Check decals and information attached to the unit 14 Check the engine speed RPM see Technical Data 15 Check for leakage 16 Inform the customer about The need and advantages of following the service schedule The need and advantages of le...

Page 45: ...English 43 SERVICE JOURNAL Action Date stamp signature ...

Page 46: ... H 6e SERVICE JOURNAL Action Date stamp signature ...

Page 47: ... SERVICE JOURNAL Action Date stamp signature ...

Page 48: ...2001W35 114 00 29 26 H 6e ...

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